/* --- General Page & Title Styles --- */
body {
    background-color: #f4f7f6;
}

.page-container {
    padding-bottom: 50px;
}

.title-section {
    background: white;
    background-blend-mode: multiply;
}

.title-wrapper {
    flex-direction: column;
}

.title-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding-bottom: 15px;
}

/* 主容器：负责定位、字体和光效 */
.chart2code-title {
    font-family: 'Lobster', cursive;
    font-size: 80px;
    padding-top: 0.2em;
    font-weight: normal;
    position: relative;
    overflow: hidden;
    display: inline-block;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}
.logo-image {
    /* Set a height for the logo. It will scale proportionally. */
    /* 80px is a good starting point to match your font size. */
    height: 80px; 
    width: auto; /* Ensures the width scales to maintain aspect ratio */
}
/* 为标题的每个部分应用“双重动画”，并设置更平滑的默认速度 */
.word-chart, .word-2, .word-code {
    display: inline-block;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 400% 400%;
    
    /* 动画1：渐变色内部流动 | 动画2：整体颜色循环变化 */
    /* 关键改动：将动画速度放慢，效果更优雅 */
    animation: 
        gradient-flow 12s ease-in-out infinite,
        hue-cycle 10s linear infinite;
}

/* 第一部分 "Chart" 的专属颜色：更丰富的冷色调 */
.word-chart {
    background-image: linear-gradient(
        60deg, 
        #0047AB, /* Cobalt Blue */
        #3a86ff, /* Dodger Blue */
        #8338ec, /* Vibrant Purple */
        #A020F0, /* Pure Purple */
        #5185d4, /* Indigo */
        #7f4ea3, /* Darker Indigo */
        #9b59b6, /* Amethyst */
        #0047AB  /* Cobalt Blue (to create a seamless loop) */
    );
    /* 为每个部分设置不同的动画时长，增加视觉复杂性 */
    animation-duration: 1s, 2s;
}

/* 中间部分 "2" 的专属颜色：更精致的高亮色 */
.word-2 {
    background-image: linear-gradient(
        60deg, 
        #FFFFFF, /* White */
        #F0F2F5, /* Light Silver */
        #FFFACD, /* Lemon Chiffon (Light Gold) */
        #FFD700, /* Gold */
        #FFFACD, /* Lemon Chiffon (Light Gold) */
        #F0F2F5, /* Light Silver */
        #ced1d4, /* Light Silver */
        #FFFFFF  /* White (for seamless loop) */
    );
    /* 渐变流动更快，但颜色循环最慢，形成对比 */
    animation-duration: 2s, 3s;
}

/* 第三部分 "Code" 的专属颜色：更丰富的暖色调 */
.word-code {
    background-image: linear-gradient(
        60deg, 
        #FFD700, /* Gold */
        #ffbe0b, /* Sunglow Yellow */
        #fb5607, /* Vibrant Orange */
        #ff006e, /* Neon Pink */
        #ff3f5c, /* Coral Red */
        #ff2b2b, /* Red */
        #E63946, /* Imperial Red */
        #FFD700  /* Gold (for seamless loop) */
    );
    animation-duration: 3s, 4s;
}


/* 创建扫光效果的覆盖层 (保持不变) */
.chart2code-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 70%;
    height: 100%;
    background: linear-gradient(
        60deg, 
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 40%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.05) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shine-effect 5s linear infinite; /* 扫光也稍微放慢一点 */
    z-index: 2;
}

/* === 动画定义 (Keyframes) === */

@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes shine-effect {
    0% { left: -150%; }
    100% { left: 150%; }
}

@keyframes hue-cycle {
    from { filter: hue-rotate(0deg); }
    to { filter: hue-rotate(360deg); }
}
/* leaderboard.css */
.subtitle {
    font-family: 'Google Sans', sans-serif;
    color: #2F4F4F;
    text-align: center;
    font-size: 38px;      /* Inter 字体结构清晰，这个尺寸效果很好 */
    font-weight: 500;     /* 500 是一个理想的 Medium 粗细 */
    margin-top: -1.2em;
    line-height: 1.5;
    letter-spacing: -0.5px; /* Inter 字体在较大尺寸下稍微收紧字间距会更美观 */
}
.authors {
    font-family: 'Noto Sans', sans-serif; /* 替换 'Raleway' */
    font-size: 22px; /* 建议稍微增大字号以突出细节 */
    font-weight: 500; /* Medium weight 看起来更清晰 */
    margin-top: 3.5em;
    text-align: center;
    color: #2F4F4F;
}
.authors a {
    color: inherit; /* 继承 .authors 定义的 #2F4F4F 颜色 */
    text-decoration: none; /* 移除默认的下划线 */
    transition: color 0.3s ease; /* 添加一个平滑的颜色过渡效果 */
}

/* 鼠标悬停时的作者链接样式 */
.authors a:hover {
    color: #0056b3; /* 鼠标悬停时变为深蓝色，与你的表格标题颜色呼应 */
    text-decoration: underline; /* 鼠标悬停时显示下划线，作为可点击的视觉提示 */
}
.affiliations {
    font-family: 'Lora', serif; /* 经典的衬线正文字体 */
    font-size: 20px;
    margin-top: 1em;
    font-style: italic;
    text-align: center;
    color: #2F4F4F;
}

.button-group {
    margin-top: 1em;
}

/* --- Main Content & Image Styles --- */
.text-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;      /* 增大字号，使其成为视觉焦点 */
    font-weight: 700;     /* 使用 Bold 粗细增加冲击力 */
    color: #333;
    text-align: center;
    margin-bottom: 0.5em;
    letter-spacing: -0.5px; /* 微调字间距，更显精致 */
}

.text-content {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    width: 100%;
    font-size: 18px;
    line-height: 1.65;
    color: #4A4A4A;
    text-align: left;
    margin-top: 0.5em;
    margin-left: auto; 
    margin-right: auto;
}

.responsive-image {
    width: 100%;
    margin: auto;
    margin-top: 0.5em;
    display: block;
}

.text-center {
    text-align: center;
}

/* --- Tabs Component Styles --- */
.leaderboard-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 2em auto;
    width: 100%;
    max-width: 1200px;
}

.tabs-container {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.tab-links {
    display: flex;
    background-color: #f1f1f1;
    border-bottom: 1px solid #ccc;
}

.tab-link {
    padding: 15px 20px;
    cursor: pointer;
    border: none;
    background-color: transparent;
    font-size: 16px;
    font-weight: 600;
    color: #555;
    transition: background-color 0.3s, color 0.3s;
    flex-grow: 1;
    text-align: center;
    border-bottom: 3px solid transparent;
}

.tab-link:hover {
    background-color: #e0e0e0;
    color: #000;
}

.tab-link.active {
    background-color: #fff;
    color: #007bff;
    border-bottom-color: #007bff;
}

.tab-content {
    padding: 25px;
    overflow-x: auto;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-image {
    width: 100%;
    margin: auto;
    display: block;
    border-radius: 6px;
}

/* --- Sortable Table Styles --- */
table.sortable-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.4;
}

.sortable-table th, .sortable-table td {
    padding: 10px 12px;
    border: 1px solid #ddd;
    text-align: center;
    vertical-align: middle;
    transition: background-color 0.3s ease;
}

.sortable-table thead th {
    background-color: #007bff;
    color: white;
    user-select: none;
    cursor: pointer;
    position: relative;
}

.sortable-table thead th[colspan] {
    cursor: default;
}

.sortable-table thead th[colspan]:hover {
    background-color: #007bff; /* Prevents hover color change */
}

.sortable-table thead th:not([colspan]):hover {
    background-color: #0056b3;
}

.sortable-table thead th:not([colspan]) {
    padding-right: 25px;
}

.sortable-table thead th:not([colspan])::after {
    content: ' \2195'; /* Unicode for up-down arrow */
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
}

.sortable-table tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

.sortable-table tbody tr:hover {
    background-color: #e9ecef;
}

.sortable-table tr.group-header td {
    background-color: #e9ecef;
    font-weight: bold;
    font-style: italic;
    text-align: center;
}

.sortable-table strong {
    font-weight: 700;
}

/* --- Citation & Footer Styles --- */
#citation {
    border-color: #2F4F4F;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.acknowledgements {
    line-height: 1.6667em;
}

.logo-group {
    display: flex;
    flex-direction: row;
    margin-top: 0.5em;
}

.logo-group a img {
    height: 3em;
    padding-top: 0.5em;
    padding-right: 1em;
}